학술저널
조선왕조(朝鮮王朝);집권체제(執權體制);과학기술정책;풍토부동론(風土不同論);자주적 천문역볍(天文曆法);the Choson dynasty;centralized administration system;science and technology policies;the recognition of different natural atmosphere between China and Korea;independent astronomy and calendrical science
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